6. Age (yr) of Best Actor
When Oscar Was Won
Frequency
20-29
1
30-39
28
40-49
36
50-59
15
60-69
6
70-79
1

Which is an equation for the nth terms of the sequence 12,15,18,21

The sum of two numbers is 86, and their difference is 20. find the two numbers

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?